USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2010-07-09

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

Scripts used

2035science
402combine
38kwic

Browse terms chosen

(Table shows only the 40 most frequently chosen terms.)

807earthquakes
277earthquake occurrences
104volcanoes
77maps and atlases
62real-time monitoring and reporting
33floods
30map interfaces
29topographic maps
26ground water
26contamination and pollution
25water quality
24droughts
24geospatial analysis
24mineral resources
23surface water (non-marine)
23energy resources
19remote sensing
19climate change
13earthquake probabilities
11avian influenza
10fires
8environmental health (human)
8invasive species
7human impacts
7seismology
7geologic maps
5California
5global change
5cartography
5erosion
5biodiversity
5geographic information systems (GIS)
4volcanic activity
4natural gas resources
4ground-water flow
4endangered species
4geologic processes
4topics
4stream-gage measurement
4acid deposition

KWIC index letters chosen

bar graph showing usage of each letter

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